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Silica Aerogel vs. Ferrite

Both silica aerogel and ferrite are oxide-based engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is silica aerogel and the bottom bar is ferrite.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.1
4.7 to 4.8
Elastic (Young's, Tensile) Modulus, GPa 0.0050
120 to 140
Stiffness to Weight: Axial, points 0.028
15 to 16
Stiffness to Weight: Bending, points 57
35 to 36
Strength to Weight: Axial, points 0.044
2.8 to 4.1
Strength to Weight: Bending, points 1.4
6.2 to 8.0
Tensile Strength: Ultimate (UTS), MPa 0.016
48 to 71
Thermal Conductivity, W/m-K 0.016
3.9 to 6.3
Thermal Expansion, µm/m-K 2.0
8.0 to 9.3
Thermal Shock Resistance, points 110
3.0 to 4.6